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Finding the Fourth Proportional to 39,998.75, 60,007.85 and 12,296.75

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Solution

The fourth proportional to 39,998.75, 60,007.85 and 12,296.75 is: 18,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.75 : 60,007.85 = 12,296.75 : x
  2. Step 2: Convert to fraction form
    39,998.75/60,007.85 = 12,296.75/x
  3. Step 3: Cross multiply
    39,998.75x = 60,007.85 × 12,296.75
  4. Step 4: Simplify right side
    39,998.75x = 737,901,468.00
  5. Step 5: Solve for x
    x = 737,901,468.00/39,998.75
  6. Step 6: Final answer
    x = 18,448.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.